/**
 * Copyright 2014 National University of Ireland, Galway.
 *
 * This file is part of the SIREn project. Project and contact information:
 *
 *  https://github.com/rdelbru/SIREn
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.sindice.siren.qparser.keyword.processors;

import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;
import org.sindice.siren.qparser.keyword.nodes.ProtectedQueryNode;

/**
 * Wildcards within a {@link ProtectedQueryNode} are not processed
 *
 * <p>
 *
 * Copied from {@link org.apache.lucene.queryparser.flexible.standard.processors.WildcardQueryNodeProcessor}
 * and adpated for the SIREn use case.
 */
public class WildcardQueryNodeProcessor
extends org.apache.lucene.queryparser.flexible.standard.processors.WildcardQueryNodeProcessor {

  @Override
  protected QueryNode postProcessNode(final QueryNode node)
  throws QueryNodeException {
    if (node instanceof ProtectedQueryNode) {
      return node;
    }
    return super.postProcessNode(node);
  }

}
